3 #include <linux/clocksource.h>
17 #include <clocksource/timer-ti-dm.h>
30 static u32 clocksource;  variable
60 	struct clocksource dev;
148  * typically no use for a dmtimer clocksource if the 32 KiHz counter is
223  * clockevent or clocksource depending if the counter_32k is available on the
231  * clock as the clocksource, and any available dmtimer as clockevent.
233  * For am437x, we are using am335x style dmtimer clocksource. It is unclear
249 	/* Quirk am437x using am335x style dmtimer clocksource */  in dmtimer_systimer_assign_alwon()
274 	/* Usually no need for dmtimer clocksource if we have counter32 */  in dmtimer_systimer_assign_alwon()
277 		clocksource = 0;  in dmtimer_systimer_assign_alwon()
279 		clocksource = pa;  in dmtimer_systimer_assign_alwon()
298 		if (res.start == clocksource || res.start == clockevent)  in dmtimer_systimer_find_first_available()
309 /* Selects the best clocksource and clockevent to use */
318 	pr_debug("%s: counter_32k: %i clocksource: %08x clockevent: %08x\n",  in dmtimer_systimer_select_best()
319 		 __func__, counter_32k, clocksource, clockevent);  in dmtimer_systimer_select_best()
705 /* Clocksource */
707 to_dmtimer_clocksource(struct clocksource *cs)  in to_dmtimer_clocksource()
712 static u64 dmtimer_clocksource_read_cycles(struct clocksource *cs)  in dmtimer_clocksource_read_cycles()
727 static void dmtimer_clocksource_suspend(struct clocksource *cs)  in dmtimer_clocksource_suspend()
737 static void dmtimer_clocksource_resume(struct clocksource *cs)  in dmtimer_clocksource_resume()
757 	struct clocksource *dev;  in dmtimer_clocksource_init()
787 	pr_info("TI gptimer clocksource: %s%pOF\n",  in dmtimer_clocksource_init()
797 		pr_err("Could not register clocksource %pOF\n", np);  in dmtimer_clocksource_init()
808  * To detect between a clocksource and clockevent, we assume the device tree
809  * has no interrupts configured for a clocksource timer.
817 	if (!clocksource && !clockevent)  in dmtimer_systimer_init()
820 	if (!clocksource && !clockevent) {  in dmtimer_systimer_init()
833 	if (counter_32k <= 0 && clocksource == pa)  in dmtimer_systimer_init()